Step 1: Register for Facebook, or sign in with your email and password if you've already registered. New users will be asked to join at least one network. You may do this when you sign up or wait until later.
Step 2: Head to the "My Accounts" page by following the simple link. Select the "Networks" tab. You will see a list of your current networks, if any, and forms to join new networks. New users will find these same forms on their home page when they log in.
Step 3: Enter your city and state into the form field. Most cities will auto-complete as you type your entry.
Step 4: Choose the regional network you wish to join by selecting the radio button. For some cities, you will have the choice of regions that may overlap your city.
Step 5: Click the "Join Regional Network" button. You will be asked to confirm your choice.